Genuine OEM Audi Anti-Shock Support, part number 420831497A. This support is a structural component within the door assembly, designed to absorb and dissipate impact forces, contributing to occupant safety and structural integrity. It is located within the door panel. Manufactured from robust materials, it is engineered for durability and performance. Genuine OEM anti-shock supports are critical for ensuring the door meets safety standards and maintains its structural integrity.